feat: implement core backend API structure and frontend service layer for case management and authentication

2026-05-12 15:41:57 +03:00
parent ee39a3d83b
commit bd73f18d5c
13 changed files with 718 additions and 63 deletions
--- a/backend/routes/reports.py
+++ b/backend/routes/reports.py
@@ -0,0 +1,96 @@
+import io
+import pandas as pd
+from flask import Blueprint, send_file, jsonify, make_response
+from reportlab.lib.pagesizes import letter
+from reportlab.pdfgen import canvas
+from reportlab.lib import colors
+from reportlab.lib.styles import getSampleStyleSheet
+from reportlab.platypus import SimpleDocTemplate, Paragraph, Spacer, Table, TableStyle
+
+from ..db import get_db_connection, release_db_connection
+from ..middleware import token_required
+
+reports_blueprint = Blueprint('reports', __name__)
+
+@reports_blueprint.route('/reports/cases/csv', methods=['GET'])
+@token_required
+def export_cases_csv(current_user_id):
+    conn = get_db_connection()
+    query = """
+        SELECT id, platform, violator_url, violator_article, my_article, comment, status, created_at 
+        FROM cases 
+        WHERE user_id = %s
+    """
+    df = pd.read_sql(query, conn, params=(current_user_id,))
+    release_db_connection(conn)
+    
+    output = io.BytesIO()
+    df.to_csv(output, index=False, encoding='utf-8-sig')
+    output.seek(0)
+    
+    return send_file(
+        output,
+        mimetype='text/csv',
+        as_attachment=True,
+        download_name=f'cases_export_{current_user_id}.csv'
+    )
+
+@reports_blueprint.route('/reports/case/<int:case_id>/pdf', methods=['GET'])
+@token_required
+def export_case_pdf(current_user_id, case_id):
+    conn = get_db_connection()
+    cur = conn.cursor()
+    cur.execute("""
+        SELECT platform, violator_url, violator_article, my_article, comment, status, created_at 
+        FROM cases 
+        WHERE id = %s AND user_id = %s
+    """, (case_id, current_user_id))
+    row = cur.fetchone()
+    release_db_connection(conn)
+    
+    if not row:
+        return jsonify({"error": "Case not found"}), 404
+        
+    platform, v_url, v_art, my_art, comment, status, created_at = row
+    
+    buffer = io.BytesIO()
+    doc = SimpleDocTemplate(buffer, pagesize=letter)
+    styles = getSampleStyleSheet()
+    elements = []
+    
+    # Title
+    elements.append(Paragraph(f"Официальная претензия #{case_id}", styles['Title']))
+    elements.append(Spacer(1, 12))
+    
+    # Info table
+    data = [
+        ["Маркетплейс", platform.upper()],
+        ["Дата создания", created_at.strftime('%Y-%m-%d %H:%M') if created_at else "-"],
+        ["Артикул нарушителя", v_art],
+        ["Ссылка на товар", Paragraph(v_url, styles['Normal'])],
+        ["Ваш артикул", my_art or "-"],
+        ["Текущий статус", status.upper()]
+    ]
+    
+    t = Table(data, colWidths=[150, 350])
+    t.setStyle(TableStyle([
+        ('BACKGROUND', (0, 0), (0, -1), colors.lightgrey),
+        ('GRID', (0, 0), (-1, -1), 1, colors.black),
+        ('PADDING', (0, 0), (-1, -1), 6),
+    ]))
+    elements.append(t)
+    elements.append(Spacer(1, 24))
+    
+    # Description
+    elements.append(Paragraph("Описание нарушения:", styles['Heading2']))
+    elements.append(Paragraph(comment or "Комментарий отсутствует", styles['Normal']))
+    
+    doc.build(elements)
+    buffer.seek(0)
+    
+    return send_file(
+        buffer,
+        mimetype='application/pdf',
+        as_attachment=True,
+        download_name=f'complaint_{case_id}.pdf'
+    )